National Oceanic and Atmospheric Administration National Weather Service United States Department of Commerce
Current conditions at

Watertown, Watertown Municipal Airport (KATY)

Lat: 44.9°NLon: 97.15°WElev: 1745ft.

Overcast

62°F

17°C

Humidity 86%
Wind Speed SE 13 G 21 mph
Barometer 30.20 in (1022.5 mb)
Dewpoint 58°F (14°C)
Visibility 10.00 mi
Last update 25 Sep 12:53 pm CDT
Extended Forecast for

2 Miles SSW Watertown SD

  • This Afternoon

    This Afternoon: Mostly cloudy, with a high near 65. Southeast wind around 14 mph.

    High: 65 °F

    Mostly Cloudy

  • Tonight

    Tonight: A chance of showers or sprinkles before 7pm, then showers, mainly after 7pm. Low around 58. Southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.

    Low: 58 °F

    Showers

  • Saturday

    Saturday: Showers likely, mainly before 9am. Cloudy, with a high near 65. South southeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.

    High: 65 °F

    Showers
    Likely then
    Slight Chance
    Showers

  • Saturday Night

    Saturday Night: A chance of sprinkles with a slight chance of showers before midnight, then a chance of sprinkles between midnight and 1am. Mostly cloudy, with a low around 57. South southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.

    Low: 57 °F

    Slight Chance
    Showers then
    Mostly Cloudy

  • Sunday

    Sunday: Partly sunny, with a high near 71. Calm wind becoming east 5 to 8 mph in the morning.

    High: 71 °F

    Partly Sunny

  • Sunday Night

    Sunday Night: Mostly cloudy, with a low around 56. East wind around 7 mph.

    Low: 56 °F

    Mostly Cloudy

  • Monday

    Monday: A slight chance of drizzle after 1pm. Mostly cloudy, with a high near 70. South wind 8 to 17 mph, with gusts as high as 28 mph.

    High: 70 °F

    Cloudy then
    Slight Chance
    Drizzle

  • Monday Night

    Monday Night: A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.

    Low: 58 °F

    Showers
    Likely

  • Tuesday

    Tuesday: A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. South wind 8 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%.

    High: 66 °F

    Chance
    Showers

Detailed Forecast

This Afternoon
Mostly cloudy, with a high near 65. Southeast wind around 14 mph.
Tonight
A chance of showers or sprinkles before 7pm, then showers, mainly after 7pm. Low around 58. Southeast wind around 14 mph, with gusts as high as 24 mph. Chance of precipitation is 80%. New precipitation amounts between a tenth and quarter of an inch possible.
Saturday
Showers likely, mainly before 9am. Cloudy, with a high near 65. South southeast wind 11 to 15 mph, with gusts as high as 25 mph. Chance of precipitation is 70%. New precipitation amounts of less than a tenth of an inch possible.
Saturday Night
A chance of sprinkles with a slight chance of showers before midnight, then a chance of sprinkles between midnight and 1am. Mostly cloudy, with a low around 57. South southeast wind 5 to 7 mph becoming calm after midnight. Chance of precipitation is 20%.
Sunday
Partly sunny, with a high near 71. Calm wind becoming east 5 to 8 mph in the morning.
Sunday Night
Mostly cloudy, with a low around 56. East wind around 7 mph.
Monday
A slight chance of drizzle after 1pm. Mostly cloudy, with a high near 70. South wind 8 to 17 mph, with gusts as high as 28 mph.
Monday Night
A chance of showers and thunderstorms, then showers likely and possibly a thunderstorm after 1am. Mostly cloudy, with a low around 58. South wind 9 to 11 mph, with gusts as high as 22 mph. Chance of precipitation is 60%.
Tuesday
A chance of showers and thunderstorms. Mostly cloudy, with a high near 66. South wind 8 to 10 mph becoming west in the afternoon. Chance of precipitation is 50%.
Tuesday Night
Mostly cloudy, with a low around 53.
Wednesday
A slight chance of showers. Partly sunny, with a high near 67. Chance of precipitation is 20%.
Wednesday Night
Partly cloudy, with a low around 51.
Thursday
Mostly sunny, with a high near 65.
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Forecast Area
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ABOUT THIS FORECAST

 
Point Forecast:
2 Miles SSW Watertown SD
 44.89°N 97.17°W (Elev. 1732 ft)
Last Update:
1:31 pm CDT Sep 25, 2026
Forecast Valid:
1pm CDT Sep 25, 2026-6pm CDT Oct 1, 2026
 
Forecast Discussion
 
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Additional Resources

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High Temperature

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Chance of Precipitation